American Psychological Association
Khanna, Gopesh Nath ( 1993 ). Global Environmental Crisis and Management ( 00 ed. ). Ashok Publishing House.
Modern Language Association
Khanna, Gopesh Nath. Global Environmental Crisis and Management . Ashok Publishing House. 1993
Chicago Citation
Khanna, Gopesh Nath. Global Environmental Crisis and Management . 00 .Delhi
: Ashok Publishing House, 1993.
American Medical Association
Khanna, Gopesh Nath. Global Environmental Crisis and Management . Ashok Publishing House; 1993.